APA (7th ed.) Citation

Kunitz, S. J., & Haycraft, H. (1942). Twentieth century authors: A biographical dictionary of modern literature. Wilson.

Chicago Style (17th ed.) Citation

Kunitz, Stanley Jasspon, and Howard Haycraft. Twentieth Century Authors: A Biographical Dictionary of Modern Literature. New York: Wilson, 1942.

MLA (9th ed.) Citation

Kunitz, Stanley Jasspon, and Howard Haycraft. Twentieth Century Authors: A Biographical Dictionary of Modern Literature. Wilson, 1942.